According to an announcement on its blog, Moped has been acquired by 6Wunderkinder, a developer of productivity apps. No financial terms were disclosed. The company said it will be shutting down on December 31, 2013. Headquartered in Berlin, Moped is a free messaging app. Its backers included Earlybird Venture Capital, SV Angel and Lerer Ventures. To read the post, visit here.